21153889 (number)

21153889 is an odd 8-digits composite number following 21153888 and preceding 21153890. In scientific notation, it is written as 2.1153889 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21101760 positive integers (up to 21153889) that are relatively prime to 21153889.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-three thousand eight hundred eighty-nine

Notation

Scientific notation 2.1153889 × 10^7
Engineering notation 2.1153889 × 10^6

Prime Factorization of 21153889

Prime Factorization 409 × 51721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21153889
Product of the distinct prime numbers

The prime factorization of 21153889 is 409 × 51721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21153889)

Multiplication

n×y
n×2 42307778
n×3 63461667
n×4 84615556
n×5 105769445

Division

n÷y
n÷2 10576944.5
n÷3 7051296.3333333
n÷3 5288472.25
n÷5 4230777.8

Exponentiation

ny
n2 447487019824321
n3 9.4660907463045E+21
n4 2.0024463291125E+29
n5 4.2359527374504E+36

Nth Root

y√n
2√n 4599.3357129046
3√n 276.56469573198
4√n 67.818402464999
5√n 29.179513329214

Divisors of 21153889

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21153888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21153889 can be divided by 4 positive divisors. The sum of these divisors (counting 21153889) is 1, the average is 0.25.

Base conversion 21153889

Base System Value
2 Binary 1010000101100100001100001
3 Ternary 1110210201200101
4 Quaternary 1100230201201
5 Quinary 20403411024
6 Senary 2033222401
8 Octal 120544141
10 Decimal 21153889
12 Duodecimal 7101a01
16 Hexadecimal 142c861
20 Vigesimal 6c44e9
36 Base36 cleg1

Cryptographic Hash Functions

md5 4eca36d13d032885e770cbb732c12b25
sha1 517c9f2d1cce8a3dc393b9c62e41e3e9cf562d91
sha256 dba3e9dc993130a6e53d2f23ed3769e46113e660d14b10fd18338f0d8b2078c6
sha512 40f34fa22aa715e813dd39624228c2f2e4a146dc4ddd5315a8e2fac809349b68cef010e4295d9cd934ff897a9248d0b7fa5c7bd434d11562555cd412c36af61f
ripemd-160 d17eff7a9f5a86eb50435ef061d6dd7e890e5d44

21153889 as geometric shapes

Circle

Radius = n
Diameter 42307778
Circumference 132913804.55451
Area 1.4058219340569E+15

Sphere

Radius = n
Volume 3.9651468195739E+22
Surface area 5.6232877362275E+15
Circumference 132913804.55451

Square

Length = n
Perimeter 84615556
Area 447487019824321
Diagonal 29916116.720735

Cube

Length = n
Surface area 2684922118945926
Volume 9.4660907463045E+21
Space diagonal 36639610.525672

Equilateral Triangle

Length = n
Perimeter 63461667
Area 1.9376756351583E+14
Altitude 18319805.262836

Triangular Pyramid

Length = n
Surface area 1.9376756351583E+14
Volume 1.1155894930065E+21
Height 9972038.9069117